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Patent US3418229A successfully refreshed from Google Patents.
US3418229A
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US
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Method of forming films of compounds having at least two anions by cathode sputtering
Assignee: Weston Instruments Inc
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Filing: 1965-06-30
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Granted: 1968-12-24
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Expires: 1985-06-30
Abstract
No abstract record available.
Inventors
- 👤 Tavorath K Lakshmanan
- 👤 Joseph M Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:52
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/0021; C23C14/0036; C23C14/0057; C23C14/06; C23C14/0623; C23C14/0629; H; H10; H10P; H10P14/00; H10P14/20; H10P14/22; H10P14/34; H10P14/3402; H10P14/3424; H10P14/3428; H10P14/3431; H10P14/3432; Y; Y10; Y10S; Y10S148/00; Y10S148/148; Y10S148/158
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |